Locality
7°53´ east longitude, 54°18´ north latitiude   [ map ]

Name
Isle of Helgoland, Germany

Historical relevance of location
Before metals were discovered, flint was a sought after-material for tools.

Geological relevance of location
Silica migrating in pore water forms flint nodules from siliceous spicules of fossil sponges.

Classification of the earth

Structure	flint
Colour	black/red/white
Age	Cretaceous

Donor

Geoscientific Collections Section of the Federal Institute for Geosciences and Natural Resources,
 Geological Survey of Lower Saxony,
 Hannover,
 Germany